Home / 14,927,981.22-20,598,392.10-8,401,221.30

Finding the Fourth Proportional to 14,927,981.22, 20,598,392.10 and 8,401,221.30

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Solution

The fourth proportional to 14,927,981.22, 20,598,392.10 and 8,401,221.30 is: 11,592,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927,981.22 : 20,598,392.10 = 8,401,221.30 : x
  2. Step 2: Convert to fraction form
    14,927,981.22/20,598,392.10 = 8,401,221.30/x
  3. Step 3: Cross multiply
    14,927,981.22x = 20,598,392.10 × 8,401,221.30
  4. Step 4: Simplify right side
    14,927,981.22x = 173,051,650,456,271.75
  5. Step 5: Solve for x
    x = 173,051,650,456,271.75/14,927,981.22
  6. Step 6: Final answer
    x = 11,592,434.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.